Text this: Protoplast Fusion of β-Glucosidase-Producing Aspergillus niger Strains

 _    _     ______   _____       ___      ______  
| |  | ||  /_   _// |  __ \\    / _ \\   /_   _// 
| |/\| ||   -| ||-  | |  \ ||  / //\ \\    | ||   
|  /\  ||   _| ||_  | |__/ || |  ___  ||  _| ||   
|_// \_||  /_____// |_____//  |_||  |_|| /__//    
`-`   `-`  `-----`   -----`   `-`   `-`  `--`